The generator matrix 1 0 0 1 1 1 X 1 1 0 1 X^3 X 1 1 1 1 X^3+X^2 1 X^3 X^2+X 1 1 1 X^2 X X 0 X^3+X^2+X 1 1 1 X^3+X^2 X^3+X^2+X X^2+X X^3+X^2 1 1 X^3 1 1 X^3 1 1 1 1 X^2+X X^3+X 1 1 X 1 1 0 1 0 0 X^2+1 X^3+X+1 1 X^3+X^2+X+1 X^2+X X^2 X^3+X+1 1 1 X^2 X^3+X^2+X 1 X^3+X^2+1 X^3+X^2+X X 1 1 X^3 X^2+X+1 X^3+X^2+X 1 X^3+X 1 1 X^3+X 1 X^3+X+1 X^3 1 1 1 1 1 X^3+X+1 1 X^3+X^2 X^3+X^2+1 1 1 X^3+X^2+X+1 X^3+X^2 X^2+1 1 1 X+1 X^3+1 0 X^3+1 X^2 0 0 1 1 1 X^2 X^2+1 X^3+X+1 X^3+1 1 X^3+X X^3+X^2 X^3+1 X^3+X^2+X X^3+1 X^3+X^2 X^2+X+1 1 0 X^3+1 0 X X+1 X^3+X^2+X+1 X^3+X^2+1 1 X^3+X^2+X X^3+X+1 1 X 1 X^3+X^2+1 X^2+X X^3 X X^3+X^2 X^3+X X^3+X^2+X X^3+1 X^3+X^2+X+1 0 X+1 X^2+X+1 X^2 X^2 X^2+1 X^3 X X+1 X^2+X 1 X^3+X^2+X+1 0 0 0 0 X X^3+X X^3 X^3+X X^3+X^2+X X X X^2 X^3+X X^2 X^2+X X^3+X^2 X^3+X^2+X X^3+X^2 X^3+X^2+X X^3+X X^2+X X^2 0 0 0 X^3+X^2 X^3+X^2+X X^2+X X^3+X^2+X X^3 X^3+X X^2+X X^3+X^2 X^3 0 X^3+X^2 X^2+X X^3 X^3+X^2+X X^3 X^3+X^2 X^3+X^2 X^2 X^2+X X^3+X X^2 X^3+X^2+X X^3+X^2+X X^3 X^3 X^3+X^2 X^3 X^3+X^2+X X^2 generates a code of length 53 over Z2[X]/(X^4) who´s minimum homogenous weight is 47. Homogenous weight enumerator: w(x)=1x^0+156x^47+926x^48+1624x^49+2932x^50+3896x^51+4537x^52+5246x^53+4472x^54+3428x^55+2575x^56+1610x^57+890x^58+236x^59+127x^60+46x^61+49x^62+12x^63+2x^64+2x^65+1x^70 The gray image is a linear code over GF(2) with n=424, k=15 and d=188. This code was found by Heurico 1.16 in 9.53 seconds.